*{
    margin:0 ;padding: 0 ;
    box-sizing: border-box;
}

h1,h2,h3,h4,h5,h6{
  font-weight: normal;
}
a{
    text-decoration: none;
    color: inherit;
  }
  ul,ol{
      list-style: none;
  }
  button,input{
      font: inherit;
  }
  :focus{
      outline: none;
  }